Re-render component when navigating the stack with React Navigation

Question

I am currently using react-navigation to do stack- and tab- navigation.

Is it possible to re-render a component every time the user navigates to specific screens? I want to make sure to rerun the componentDidMount() every time a specific screen is reached, so I get the latest data from the server by calling the appropriate action creator.

What strategies should I be looking at? I am pretty sure this is a common design pattern but I failed to see documented examples.

Answer 1

If you are using React Navigation 5.X, just do the following:

import { useIsFocused } from '@react-navigation/native'

export default function App(){

const isFocused = useIsFocused()

    useEffect(() => {
        //Update the state you want to be updated
    } , [isFocused])
}

Answer 2

React Navigation lifecycle events quoted from react-navigation

React Navigation emits events to screen components that subscribe to them. There are four different events that you can subscribe to: willFocus, willBlur, didFocus and didBlur. Read more about them in the API reference.

---

Let's check this out,

With navigation listeners you can add an eventlistener to you page and call a function each time your page will be focused.

const didBlurSubscription = this.props.navigation.addListener(
  'willBlur',
  payload => {
    console.debug('didBlur', payload);
  }
);

// Remove the listener when you are done
didBlurSubscription.remove();

Replace the payload function and change it with your "refresh" function.

Hope this will help.